Report Industry Investment Rating - Not mentioned in the provided content Core Viewpoints of the Report - Option strategy products in the US ETF market continue to be issued intensively, with various new products including small - cap and Bitcoin - related option strategies [1][6]. - International stock products in the US ETF market are seeing inflows, while US stock ETFs have some outflows. Bitcoin ETFs maintain inflows, and long - term bonds in the ETF market are falling significantly [1][10][15]. - In March 2025, the total amount of non - money public funds in the US decreased, and the scale decline of domestic stock - type products was higher than the stock decline. The outflow of domestic stock funds has been relatively low in recent months, and the outflow of bond products has also slowed down significantly [1][16][17]. Summary According to the Directory 1. US ETF Innovation Products: Option Strategies Continue to Be Issued Intensively - Last week, 16 new products were issued in the US, with many option strategy products. Simplify issued a small - cap plus option strategy product, and Amplify issued two Bitcoin option strategy products [1][6]. - Grayscale issued a Bitcoin - related product, and there was diverse issuance of bond products, including convertible bonds and MBS. PGIM and Innovator continued to expand downside protection products [7]. - Harbor issued a series of active ETFs for mid - cap and small - mid - cap value and core stock - selection products [8]. 2. US ETF Dynamics 2.1 US ETF Funds: International Stock Products See Inflows - Last week, US stock ETFs continued to have some outflows, while international stock and bond products had obvious inflows, and Bitcoin ETFs maintained inflows. Vanguard's S&P 500 ETF had significant inflows, and Bitcoin ETFs had inflows of over $2 billion [10][13]. - The SPDR S&P 500 ETF had obvious outflows last week, while Vanguard's products had stable inflows. Gold ETFs still had some outflows, and corporate bond ETFs had a small - scale return [14]. 2.2 US ETF Performance: Long - Term Bonds Fall Significantly - In the past month, US bonds rebounded overall, but long - term bonds had obvious declines, short - term and international bonds rose more, and long - term bond products had some outflows. iShares' MBS ETF entered the top ten in terms of bond ETF scale, and alternative bond products attracted more attention [15]. 3. Recent Capital Flows of US Ordinary Public Funds - In March 2025, the total amount of non - money public funds in the US was $21.17 trillion, a decrease of $0.88 trillion compared to February 2025. The scale of domestic stock - type products declined by 6.55%, higher than the 5.75% decline of the S&P 500 [16]. - From April 16th to April 23rd, US domestic stock funds had a total outflow of $2.68 billion. The outflows in recent months have been relatively low, and the outflows of bond products have also slowed down significantly [17].